.ai{
    width: 100vw;
    height: 100vh;
    background-color: rgb(243, 243, 243);
}

.list{
    width: 90vw;
    height: 70px;
    border-radius: 10px;
    margin: 20px auto;
    /* margin-top: 20px; */
    background-color: rgb(255, 255, 255);
}
.li{
    width: 150px;
    height: 100%;
    font-size: 20px;
    line-height: 70px;
    margin-left: 20px;
    /* background-color: aquamarine; */
}
.ai_top{
    width: 100vw;
    height: 50px;
    /* background-color: aqua; */
}
.ai-top_ico{
    width: 50px;
    height: 50px;
    line-height: 70px;
    margin-left: 20px;
    font-size: 20px;
    float: left;
    /* background-color: blue; */
}
.ai-top_name{
    width: 200px;
    height: 50px;
    line-height: 70px;
    font-size: 18px;
    margin-left: 100px;
    float: left;
}